[ad_1] Abiogenesis is the theory that explains how life on Earth arose from non-living materials, but it is controversial. Natural chemical reactions led to the formation of amino acids, and nucleic acids arose to build proteins, but the mechanics are still a mystery. Creationists argue it is statistically unlikely, but circumstances that could have led […]
[ad_1] Genetically modified (GM) food is controversial due to concerns about its effects on human health and the environment. Farmers worry about cross-pollination and dependency on large corporations. The long-term effects of bioengineering are unknown, but no risks have been identified yet. Genetically modified (GM) food has raised controversy among scientists, environmentalists and economic activists. […]
[ad_1] HeLa cells are immortal and controversial due to their origin from Henrietta Lacks’ cancer cells taken without consent. The story raises ethical concerns about tissue culture and informed consent. The historic distrust of medicine in some communities is also discussed, highlighting the need for modern ethics review committees. The use of HeLa cells in […]
[ad_1] Big Box stores like Wal-Mart and Target are controversial when they plan to build in a community. Supporters argue they create jobs and generate sales taxes, while opponents claim they cause local businesses to lose money and increase traffic. The debate continues. Big Box stores like Wal-Mart, Target, Costco, Sam’s Club and Home Depot, […]
